SERCON816

SERCON816 SERCOS INTERFACE CONTROLLER s s s s s s s s s s s s Single-chip controller for SERCOS interface Real time communication for industrial control systems 8/16-bit bus interface, Intel and Motorola control signals Dual port RAM with 2048 word *16-bit Data communications via optical fiber rings, RS 485 rings and RS 485 busses Maximum transmission rate of 16 Mbaud with internal clock recovery Internal repeater for ring connections Full duplex operation Modulation of power of optical transmitter diode Automatic transmission of synchronous and data telegrams in the communication cycle Flexible RAM configuration, communication data stored in RAM (single or double buffer) or transfer via DMA Synchronization by external signal PQFP100 ORDERING NUMBERS: SERC816 SERC816/TR s s s s s Timing control signals Automatic service channel transmission Watchdog to monitor software and external synchronization signals Compatible mode to SERCON410B SERCOS interface controller 100-pin plastic flat-pack casing Figure 1. SERCON816 Block Diagram WRN D[15:0] A[15:0] ALEL ALEH BUS Y N MCS N0/1 P CS N0 BHEN PCS 1 R DN ADMUX BUS MODE[1:0] BUS WIDT H BY T E DIR bus interfac e interrupt c loc k reset INT 0/1 S CLK S CLK O2/4 MCLK RS T N DMAR EQR/T DMAACKNR/T DMA watc hdog telegramproc essing timingc ontrol WDOGN CY C_CLK CON_CLK DIV_CLK S BAUD S BAUD16 T M0/1 serial interfac e L_E RRN R ECACT N IDLE R xC R xD T xC T xD[6:1] optical transm itter/ receiver or RS -485 bus drive Ja...